[ogg-dev] video chapters and subtitles in ogg containers

[ogg.k.ogg.k at googlemail.com]

>> I also want to mention that Ogg has a natural chapter mechanism, where
>> each chapter is encoded separately and the segments are (literally)
>> concatenated together. This is legal as long as the stream serial

If the use of these is seeking, chaining doesn't fit the bill as you have to
parse the stream to know which chains you have, no ? This kind of defeats
the purpose of skipping to a known place.